package Java_pack.pack_5;
public class Circular {
  Circle bottom;
  double height;
  void setBottom(Circle c) {
     bottom = c;
  }
  void setHeight(double h) {
     height = h;
  }
  double getVolme() {
   if(bottom == null)
     return -1;
   else
     return bottom.getArea()*height/3.0;
  }
  double getBottomRadius() {
     return bottom.getRadius();
  }
  public void setBottomRadius(double r){
       bottom.setRadius(r);
  }
}
